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Finding the Fourth Proportional to 117,861.72, 176,792.58 and 34,736.28

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Solution

The fourth proportional to 117,861.72, 176,792.58 and 34,736.28 is: 52,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,861.72 : 176,792.58 = 34,736.28 : x
  2. Step 2: Convert to fraction form
    117,861.72/176,792.58 = 34,736.28/x
  3. Step 3: Cross multiply
    117,861.72x = 176,792.58 × 34,736.28
  4. Step 4: Simplify right side
    117,861.72x = 6,141,116,560.80
  5. Step 5: Solve for x
    x = 6,141,116,560.80/117,861.72
  6. Step 6: Final answer
    x = 52,104.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.